oops this was the old boundary dropdown, we had restarted the instance and forgot to re-enable the new boundaries (currently tagged in the code as an "experimental feature" which needs to be explicitly enabled)

I wrote a thing as, having being confused about 'granular boundaries' I'm now rather excited!

https://dougbelshaw.com/blog/2022/07/30/bonfire-granular-boundaries/

@BonfireBuilders